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Finding the Fourth Proportional to 159,861.87, 220,593.65 and 88,237.26

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Solution

The fourth proportional to 159,861.87, 220,593.65 and 88,237.26 is: 121,758.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,861.87 : 220,593.65 = 88,237.26 : x
  2. Step 2: Convert to fraction form
    159,861.87/220,593.65 = 88,237.26/x
  3. Step 3: Cross multiply
    159,861.87x = 220,593.65 × 88,237.26
  4. Step 4: Simplify right side
    159,861.87x = 19,464,578,808.21
  5. Step 5: Solve for x
    x = 19,464,578,808.21/159,861.87
  6. Step 6: Final answer
    x = 121,758.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.